In the fifth episode of season 7, titled " Along Comes Mary ," the Liars face the immediate aftermath of Archer Dunhill's "disappearance" while new and old threats converge on Rosewood. Episode Summary
: In a major relationship milestone, Ezra Fitz proposes to Aria Montgomery . Aria hesitates to answer immediately, haunted by the guilt of Archer’s death. [S7E5] Along Comes Mary
: Spencer is desperate to find a missing Caleb Rivers . She enlists Hanna's help and eventually confronts Toby Cavanaugh at the police station, only to realize he knows where Caleb is hiding but won't say. In the fifth episode of season 7, titled